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more consistent command line handling

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This commit is contained in:
bellard 2002-07-15 22:17:02 +00:00
parent 61a1599052
commit a50e58e5ba
1 changed files with 46 additions and 17 deletions
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63
tcc.c
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@ -61,6 +61,10 @@
#define CONFIG_TCC_PREFIX "/usr/local"
#endif
/* path to find crt1.o, crti.o and crtn.o. Only needed when generating
executables or dlls */
#define CONFIG_TCC_CRT_PREFIX "/usr/lib"
/* amount of virtual memory associated to a section (currently, we do
not realloc them) */
#define SECTION_VSIZE (1024 * 1024)
@ -7617,26 +7621,37 @@ void tcc_add_file(TCCState *s, const char *filename)
void help(void)
{
printf("tcc version 0.9.8 - Tiny C Compiler - Copyright (C) 2001, 2002 Fabrice Bellard\n"
"usage: tcc [-Idir] [-Dsym[=val]] [-Usym] [-llib] [-g] [-b]\n"
" [-i infile] [-bench] infile [infile_args...]\n"
"usage: tcc [-c] [-o outfile] [-bench] [-Idir] [-Dsym[=val]] [-Usym]\n"
" [-g] [-b] [-llib] [-shared] [-static]\n"
" [--] infile1 [infile2... --] [infile_args...]\n"
"\n"
"-Idir : add include path 'dir'\n"
"-Dsym[=val] : define 'sym' with value 'val'\n"
"-Usym : undefine 'sym'\n"
"-llib : link with dynamic library 'lib'\n"
"-g : generate runtime debug info\n"
"General options:\n"
" -c compile only - generate an object file\n"
" -i infile compile infile\n"
" -o outfile set output filename (NOT WORKING YET)\n"
" -bench output compilation statistics\n"
" -- allows multiples input files if no -o option given. Also\n"
" separate input files from runtime arguments\n"
"Preprocessor options:\n"
" -Idir add include path 'dir'\n"
" -Dsym[=val] define 'sym' with value 'val'\n"
" -Usym undefine 'sym'\n"
"C compiler options:\n"
" -g generate runtime debug info\n"
#ifdef CONFIG_TCC_BCHECK
"-b : compile with built-in memory and bounds checker (implies -g)\n"
" -b compile with built-in memory and bounds checker (implies -g)\n"
#endif
"-i infile : compile infile\n"
"-bench : output compilation statistics\n"
"Linker options:\n"
" -llib link with dynamic library 'lib'\n"
" -shared generate a shared library (NOT WORKING YET)\n"
" -static static linking (NOT WORKING YET)\n"
);
}
int main(int argc, char **argv)
{
char *r, *outfile;
int optind, file_type;
int optind, file_type, multiple_files;
TCCState *s;
s = tcc_new();
@ -7644,6 +7659,7 @@ int main(int argc, char **argv)
optind = 1;
outfile = NULL;
multiple_files = 0;
while (1) {
if (optind >= argc) {
show_help:
@ -7654,7 +7670,10 @@ int main(int argc, char **argv)
if (r[0] != '-')
break;
optind++;
if (r[1] == 'I') {
if (r[1] == '-') {
/* '--' enables multiple files input */
multiple_files = 1;
} else if (r[1] == 'I') {
if (tcc_add_include_path(s, r + 2) < 0)
error("too many include paths");
} else if (r[1] == 'D') {
@ -7672,10 +7691,6 @@ int main(int argc, char **argv)
char buf[1024];
snprintf(buf, sizeof(buf), "lib%s.so", r + 2);
tcc_add_dll(s, buf);
} else if (r[1] == 'i') {
if (optind >= argc)
goto show_help;
tcc_add_file(s, argv[optind++]);
} else if (!strcmp(r + 1, "bench")) {
do_bench = 1;
#ifdef CONFIG_TCC_BCHECK
@ -7713,6 +7728,7 @@ int main(int argc, char **argv)
/* the following options are only for testing, so not
documented */
if (r[1] == 'c') {
multiple_files = 1;
file_type = TCC_FILE_OBJ;
} else if (!strcmp(r + 1, "static")) {
static_link = 1;
@ -7721,13 +7737,26 @@ int main(int argc, char **argv)
} else if (r[1] == 'o') {
if (optind >= argc)
goto show_help;
multiple_files = 1;
outfile = argv[optind++];
} else {
error("invalid option -- '%s'", r);
}
}
tcc_add_file(s, argv[optind]);
if (multiple_files) {
while ((optind + 1) < argc) {
optind++;
r = argv[optind];
if (r[0] == '-') {
if (r[1] != '-')
error("'--' expected");
break;
}
tcc_add_file(s, r);
}
}
if (do_bench) {
printf("total: %d idents, %d lines, %d bytes\n",